Waterway Gravity Grips produces spike sets for track shoes. CEO Brittany Waterway has gathered the following information about the company's sales volume and marketing cost for the past six months: Identify the high and low points. Using the high-low method, compute the variable marketing cost per spike set. (Round unit cost to 2 decimal places, e.g. 52.75. ) Variable marketing cost =$ per spike set sold Compute the total fixed marketing cost. (For computation puposes round variable cost to 2 decimal places, es. 15.25 and final answer to 0 docmial places, es. 5.275 J Fixed marketing cost eTextbook and Media Attempts: 0 of 2 used Represent the marketing cost function in equation form. (Round variable cost to 2 decimal ploces, eg. 15.25 and other answer to 0 decmial places, es. 5.275.) Marketing cost function =$ xsetssold+$ Examine the data and identify the potential outlier. Potential outlier is the month of Identify the high and low points. Recalculate the marketing cost function, removing the potential outlier. (Round variable cost to 2 decimai places, e.g. 15.25 and other answer to O decmial ploces, eg. S.275.) Marketigg cost function =5 x sets sold +$